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Java > Open Source Codes > nextapp > echo2 > webrender > test > ServiceRegistryTest


1 /*
2  * This file is part of the Echo Web Application Framework (hereinafter "Echo").
3  * Copyright (C) 2002-2005 NextApp, Inc.
4  *
5  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6  *
7  * The contents of this file are subject to the Mozilla Public License Version
8  * 1.1 (the "License"); you may not use this file except in compliance with
9  * the License. You may obtain a copy of the License at
10  * http://www.mozilla.org/MPL/
11  *
12  * Software distributed under the License is distributed on an "AS IS" basis,
13  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14  * for the specific language governing rights and limitations under the
15  * License.
16  *
17  * Alternatively, the contents of this file may be used under the terms of
18  * either the GNU General Public License Version 2 or later (the "GPL"), or
19  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
20  * in which case the provisions of the GPL or the LGPL are applicable instead
21  * of those above. If you wish to allow use of your version of this file only
22  * under the terms of either the GPL or the LGPL, and not to allow others to
23  * use your version of this file under the terms of the MPL, indicate your
24  * decision by deleting the provisions above and replace them with the notice
25  * and other provisions required by the GPL or the LGPL. If you do not delete
26  * the provisions above, a recipient may use your version of this file under
27  * the terms of any one of the MPL, the GPL or the LGPL.
28  */
29
30 package nextapp.echo2.webrender.test;
31
32 import nextapp.echo2.webrender.ServiceRegistry;
33 import junit.framework.TestCase;
34
35 /**
36  * Test for <code>ServiceRegistry</code>.
37  */
38 public class ServiceRegistryTest extends TestCase {
39     
40     /**
41      * Test basic add/get/remove functionality of <code>ServiceRegistry</code>.
42      */
43     public void testBasic() {
44         ServiceRegistry services = new ServiceRegistry();
45         NullService alpha = new NullService("alpha");
46         services.add(alpha);
47         NullService bravo = new NullService("bravo");
48         services.add(bravo);
49         assertEquals(alpha, services.get("alpha"));
50         assertEquals(bravo, services.get("bravo"));
51         assertNull(services.get("charlie"));
52         services.remove(bravo);
53         assertNull(services.get("bravo"));
54     }
55     
56     /**
57      * Ensure that two services may not be added with the same service id.
58      */
59     public void testConflict() {
60         ServiceRegistry services = new ServiceRegistry();
61         NullService alpha = new NullService("alpha");
62         services.add(alpha);
63         NullService anotherAlpha = new NullService("alpha");
64         try {
65             services.add(anotherAlpha);
66             fail();
67         } catch (IllegalArgumentException JavaDoc ex) {
68             // Expected.
69 }
70     }
71     
72     /**
73      * Ensure that adding the same service twice does not throw an exception.
74      */
75     public void testReAdd() {
76         ServiceRegistry services = new ServiceRegistry();
77         NullService alpha = new NullService("alpha");
78         services.add(alpha);
79         services.add(alpha);
80     }
81 }
82
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